Overview

overview

10

Static

static

3

rBlbqI2.exe

windows10-2004-x64

10

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General

  • Target

    df049efbfa7ac0b76c8daff5d792c550c7a7a24f6e9e887d01a01013c9caa763 (1).zip

  • Size

    229KB

  • Sample

    240803-v4fz5szfjj

  • MD5

    e0532c3452c5de166144de85144ab86e

  • SHA1

    a1ac8137db77d51f426500a89c5009adaf0313bf

  • SHA256

    91312ac2c8fa00d56b7ce9839f8a2934620f69ef6043a0c177c810870d6edd92

  • SHA512

    a5c6236e637d9717438cda12e85302302435ad5df6a2ef7a068f6c62c01b4e89a546023226364970d9e01e79455977cd12662eff4b30b4f001bb3520c2850176

  • SSDEEP

    6144:UyrJsTTaZCw3vCznBbiKzt9LyKtDrobuuZaK+0+:UCJs6ZCd1tz/pu3/+

Score
10/10
jigsawdiscoverypersistenceransomware

Malware Config

Targets

    • Target

      rBlbqI2.bin

    • Size

      291KB

    • MD5

      2fec9bf50de5395f799b23a1099b10d6

    • SHA1

      6000969e75d7d7a3fa1b908bdb9d5daeb5f2534e

    • SHA256

      df049efbfa7ac0b76c8daff5d792c550c7a7a24f6e9e887d01a01013c9caa763

    • SHA512

      5f6885fb1940ee4f84507e2b7929f637d8f264a5c77329aeae31803b772608ea93370177017f90f6f8d8bc9e0b30eb8607ed120d4ead68104fd70feec71a9ab8

    • SSDEEP

      6144:pdSK04ETTZ+4TBpvjLCnVlBpevKBauJirVuD05VSKJ:poL4EnU4T/vjLeVlayRihuA5D

    Score
    10/10
    jigsawdiscoverypersistenceransomware

    • Jigsaw Ransomware

      Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.

      ransomwarejigsaw

    • Renames multiple (466) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks